#include<stdio.h>
int zxgb(int a,int b);
int main(int argc, char const *argv[])
{
    int i,j,k,l,m,n;
    printf("Input two FENSHU:\n");
    scanf("%d/%d,%d/%d",&i,&j,&k,&l);
    m=zxgb(j,l)/j*i;
    n=zxgb(j,l)/l*k;
    if(m>n)
        printf("%d/%d>%d/%d\n",i,j,k,l);
        else if (m==n)
        {
            printf("%d/%d=%d/%d\n",i,j,k,l);
        }
        else
            printf("%d/%d<%d/%d\n",i,j,k,l);
    return 0;
}
int zxgb(int a,int b)
{
    long int c;
    int d;
    if(a<b)
        c=a,a=b,b=c;
    for(c=a*b;b!=0;)
    {
        d=b;
        b=a%b;
        a=d;
    }
    return ((int)c/a);
}